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Scientific American, Vol. 14, No. 35 (May 1859) (1859)

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An illustration from Scientific American, Vol. 14, No. 35 (May 1859), 1859, leaf 0
opportunity of witnessing a practical test of PEFLEY'S LATH MACHINE. its vast superiority in point of toughness and SCIENTIFIC AMERICAN, flexibility over other forms of iron, we wish … constructed by even American genius, but we ledged. would like to see your country men turn their The relative conductibility (taking silver The subject of this engraving is a lath- bars, h, fall back to their proper position by attention to an article so much needed here. at 1000) of the several…

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